The difference behind magic and science is just a matter of perspective. Learn how to perform cool tricks that have a simple scientific idea at their core.
Imagine that you’re suddenly standing in the middle of the street in 14th century Victorian England. Wondering where you are, you decide to whip out your phone and try to get a signal, when a passing child spots your phone.
Nowadays, it’s quite common for us to use cell phones on a daily basis, but for people who haven’t ever seen a light-bulb, the moving images in your hand would be considered magic. While you’re left there cursing your network provider, the villagers would have lined up with pitchforks and torches!
Similarly, magicians have been amazing audiences for centuries with new ‘tricks’ employing scientific ideas in a non-conventional manner. Every magic trick can likely be explained if the right ideas are identified. Although a magician never reveals his secrets, the whole point of being a scientist is explaining ideas.
This is a great way to spoil magic tricks without facing any criticism from fellow magicians. This article will teach you how to perform some mind-boggling ‘magic’ tricks and learn about the science that makes them possible.
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A magician takes an ordinary looking cup, pours some water into it after a series of gestures and appears to make the water disappear. The viewer is left speechless when the cup is flipped over and no water drips out, as if it has vanished into thin air. Watch the video demonstration here.
The method isn’t that much of a revelation, since it make use of an easily available compound called Sodium Polyacrylate. This is a ‘hygroscopic’ substance, which means that it acts like a sponge and absorbs water almost instantly. Baby diapers contain this compound to absorb moisture more easily. When the cup is lined with this substance, any water that comes in contact with it forms a mixture that is a solid gel. Unassuming audiences think that the water has suddenly disappeared, when in fact the mixture is simply stuck to the base of the cup.
The magician takes a small currency note and tells the audience that he is going to light it on fire. Then he takes a lighter or a candle in one hand and lights the bill aflame. The fire then goes out, leaving the bill unharmed and the audience spellbound.
The bill used in this trick is not an ordinary currency note. Prior to the trick, it has already been doused in an alcohol-water mixture. When the bill is lit, the alcohol is what actually burns, while the note remains unharmed. This is because the temperature at which the alcohol burns is not high enough to cause the water to evaporate. The bill remains wet and isn’t able to catch fire on its own. Don’t attempt this trick at home, not only because it’s highly dangerous, but also because money comes in handy when you’re off buying magic wands.
Traveling Flame Trick
The magician lights a candle with a lighter or a match in front of the audience. He then blows out the flame and immediately places the flame from a matchstick or a lighter into the smoke. To the amazement of the onlookers, the flame travels down the smoke and relights the blown-out candle. You can watch the actual trick in the gif below.
The candle and matchsticks involved are ordinary in all respects. The only thing extraordinary is the way candles work. As we all know, the heat from the flame of a burning candle melts the wax around it. However, not only does the wax melt, but some part of it also vaporizes and remains inside the smoke for a while after you blow out the flame. If a heat source like a matchstick is applied quickly enough to this vapor, it can ignite the wax and travel down the vapor to the actual candle wick.
A magician pulls out a disc from a container and puts it onto a track he has laid out on a table. The disc begins levitating, even though it’s completely composed of non-magnetic substances.
Everyone knows that you can levitate objects using a magnet, but there’s only a certain degree of freedom with magnetic levitation. Since magnets can only attract or repel each other and not fix them in place, levitating objects for long periods is difficult. In this trick, magicians employ the help of superconductors that interact with magnets in a weird manner called ‘Quantum Levitation’.
This can be achieved when scientists cover an object with a thin layer of a superconductor that has been cooled to an extremely low temperature. What happens next is straight out of a sci-fi movie, because the track, which is made up of magnets, actually locks the disc in the desired path, levitating it like a UFO!
Thunder in a Bottle
A magician takes some sugar-like crystals and puts them in a transparent jar. He then asks an audience member to turn off the lights, barely allowing them to see. He then takes a hammer and starts crushing the crystals with the butt of the hammer. The jar lights up like a thunderstorm as soon as the force of the hammer disintegrates the crystals inside!
The sugar-like crystals are actually a compound called europium tetrakis, which exists as a sugar-like substance at room temperature. The most interesting thing about these crystals is that when they disintegrate, they convert the kinetic energy from the hammer directly into light energy. Other substances normally convert kinetic energy into heat, which is why they don’t glow. Like europium tetrakis, sugar also has the same effect, although to a lesser extent. You could certainly give a whole different meaning to a “sparkly smile” in this way. Just chew on some sugar in the dark and you’re golden!
Next time you watch Harry Potter, keep an encyclopedia of science handy. Your friends will probably never invite you to a movie marathon again, but hey… at least you’ll know that the reason behind the failure of the trick is not an incorrect pronunciation of ‘Wingardium Leviosa‘.